Home / 409,092,672.39-564,380,758.89-302,058,511.29

Finding the Fourth Proportional to 409,092,672.39, 564,380,758.89 and 302,058,511.29

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Solution

The fourth proportional to 409,092,672.39, 564,380,758.89 and 302,058,511.29 is: 416,717,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,092,672.39 : 564,380,758.89 = 302,058,511.29 : x
  2. Step 2: Convert to fraction form
    409,092,672.39/564,380,758.89 = 302,058,511.29/x
  3. Step 3: Cross multiply
    409,092,672.39x = 564,380,758.89 × 302,058,511.29
  4. Step 4: Simplify right side
    409,092,672.39x = 170,476,011,831,033,856
  5. Step 5: Solve for x
    x = 170,476,011,831,033,856/409,092,672.39
  6. Step 6: Final answer
    x = 416,717,343.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.